Specifications

Specifications include,
but are not limited to: PROJECT WILL REMOVE AND
REPLACE A PORTION OF AN EXISTING 18" CMP TRENCH
DRAIN WITH A REINFORCED CONCRETE GUTTER, A CMP
GRATED INLET, AND AN OVERFLOW DIVERTER CURB TO
INTERCEPT PARKING LOT RUNOFF. THE NEW SYSTEM
WILL TIE INTO THE REMAINING PORTION OF THE
EXISTING UNDERGROUND CMP AND INSTALL AN ENERGY
DISSIPATOR AND HEADWALL AT THE EXISTING POINT OF
DISCHARGE. A SECTION OF THE PARKING (GRAVEL
SURFACE) WILL BE STABILIZED WITH PERMEABLE RIGID
PLASTIC GEOCELL MATS. THE PATHWAY FROM THE LOT
TO THE UPPER STAIRWAY WILL BE STABILIZED WITH
EROSION CONTROL FRAMES INCORPORATING GEO CELL
MATTS AND THE EROISON GULLEY AT THE STAIRWAY
WILL BE BACKFILLED AND BUTRESSED WITH BELOW
GROUND GABIONS. A PATHWAY DRAINAGE SYSTEM WILL
BE INSTALLED BELOW THE EROSION CONTROL FRAMES.